<template>
	<view class="preview" v-if="currentInfo">
		<swiper circular :current="currentIndex" @change="swiperChange" >
			<swiper-item v-for="(item,index) in classList" :key="item._id">
				<image v-if="readImge.includes(index)" @click="maskChange" :src="item.picurl" mode="aspectFill"></image>
			</swiper-item>
		</swiper>


		<view class="mask" v-if="maskState">
			<view class="goBack" @click="goBack" style="margin-top: 40rpx;">
				<uni-icons type="back" size="30" color="#fff"></uni-icons>
			</view>
			<view class="count">{{currentIndex+1}} /{{classList.length}}</view>
			<view class="time">
				<uni-dateformat :date="new Date()" format='hh:mm'></uni-dateformat>
			</view>
			<view class="date">
				<uni-dateformat :date="new Date()" format='MM月dd日'></uni-dateformat>
			</view>
			<view class="footer" >
				<view class="box" v-for="(item,index) in prevList" :key="item.id" @click="navaPrev(index)">
					<uni-icons :type="item.type" size="28"></uni-icons>
					<view class="text" @click="clickDownload(item.id)">{{item.id === 2 ? currentInfo.score : item.name}}</view>
				</view>
			</view>
		</view>

		<!-- 信息弹窗 -->
		<uni-popup ref="infoPopup" type="bottom">
			<view class="infoPopup">
				<view class="popHeader">
					<view></view>
					<view class="title">壁纸信息</view>
					<view class="close" @click="clickInfoClose">
						<uni-icons type="closeempty" size="18" color="#999">

						</uni-icons>
					</view>
				</view>
				<scroll-view scroll-y>
					<view class="content">
						<view class="row">
							<view class="label">壁纸ID:</view>
							<text selectable class="value">{{currentInfo._id}}</text>
						</view>

						<!-- <view class="row" >
							<view class="label">分类:</view>
							<text selectable class="value">明星美女</text>
						</view> -->

						<view class="row">
							<view class="label">发布者:</view>
							<text selectable class="value">{{currentInfo.nickname}}</text>
						</view>

						<view class="row">
							<view class="label">评分:</view>
							<view class="value roteBox">
								<uni-rate readonly touchable :value="currentInfo.score" size="16"></uni-rate>
								<text class="score">{{currentInfo.score}}分</text>
							</view>
						</view>

						<view class="row">
							<view class="label">摘要:</view>
							<view click="value">
								{{currentInfo.description}}
							</view>
						</view>

						<view class="row">
							<text class="label">标签:</text>
							<view class="value tabs">
								<view class="tab" v-for="item in currentInfo.tabs" :key="item">{{item}}</view>
							</view>
						</view>

						<view class="copyright">
							声明：本图片来自用户投稿，非商业使用，用于免费学习交流，如侵犯了你的权益，你可以拷贝壁纸Id举报至平台，邮箱513894357@qq.com,管理将删除侵权壁纸，维护的的权益
						</view>
						<view class="safe-area-inset-buttom"></view>
					</view>
				</scroll-view>
			</view>

		</uni-popup>
		<!-- 评分弹窗 -->
		<uni-popup ref="scorePopup" :is-mask-click="false">
			<view class="scorePopup">
				<view class="popHeader">
					<view></view>
					<view class="title">{{isScore ? '评分过了~' : '壁纸评分' }}</view>
					<view class="close" @click="clickScoreClose">
						<uni-icons type="closeempty" size="18" color="#999">
						</uni-icons>
					</view>
				</view>

				<view class="content">
					<uni-rate v-model="userScore" allowHalf></uni-rate>
					<text class="text">{{userScore}}</text>
				</view>

				<view class="footer">
					<button @click="submitScore" :disabled="!userScore" type="default" size="mini" plain>确认评分</button>
				</view>
			</view>
		</uni-popup>
	</view>
</template>

<script setup>
	import {onMounted,ref} from 'vue'
	import {onLoad,onShareAppMessage,onShareTimeline} from "@dcloudio/uni-app"
	import {apisetupScore,apiWriteDownload,apiDetailWall} from '@/apis/index.js'
	const maskState = ref(true)
	// 创建一个 ref 来存储弹出层的实例
	const infoPopup = ref(null);
	const scorePopup = ref(null);
	const userScore = ref(0) // 负责评分
	const classList = ref([])
	const currentId = ref(null)
	const currentIndex = ref(0)
	const currentInfo = ref(null) // 图片信息索引值
	const isScore = ref(false) // 判断是否有评分
	const readImge = ref([])

	// 本地缓存
	const storgClassList = uni.getStorageSync("storgClassList") || [];
	classList.value = storgClassList.map(item => {
		return {
			...item,
			picurl: item.smallPicurl.replace('_small.webp', '.jpg')
		}
	})



	onLoad(async (e) => {
		currentId.value = e.id;
		if(e.type == 'share'){
			const res = await apiDetailWall({id:currentId.value});
			classList.value = res.data.data.map(item=>{
				return {
					...item,
					picurl: item.smallPicurl.replace('_small.webp', '.jpg')
				}
			})
			 uni.hideLoading()
		}
		currentIndex.value = classList.value.findIndex(item => item._id == currentId.value)
		currentInfo.value = classList.value[currentIndex.value]
		readImgsFun();
	})

	// 封装函数
	const readImgsFun = () => {
		readImge.value.push(
			currentIndex.value <= 0 ? classList.value.length - 1 : currentIndex.value - 1,
			currentIndex.value,
			currentIndex.value >= classList.value.length - 1 ? 0 : currentIndex.value + 1
		)
		readImge.value = [...new Set(readImge.value)];
	}

	// 滑动
	const swiperChange = (e) => {
		currentIndex.value = e.detail.current;
		currentInfo.value = classList.value[currentIndex.value]
		readImgsFun();
		console.log(e);
	}



	const prevList = [{
			id: 1,
			name: '信息',
			type: 'info'
		},
		{
			id: 2,
			name: '5分',
			type: 'star'
		},
		{
			id: 3,
			name: '下载',
			type: 'download'
		}
	]

	// 遮罩状态
	const maskChange = () => {
		maskState.value = !maskState.value
	}

	// 定义一个方法来显示信息弹出层
	const showPopup = () => {

		infoPopup.value.open();

	};
	// // 定义一个方法来显示评分弹出层
	const ShowScore = () => {
		if (currentInfo.value.userScore) {
			isScore.value = true;
			userScore.value = currentInfo.value.userScore
		}
		scorePopup.value.open();

	}

	// 点击关闭信息弹窗
	const clickInfoClose = () => {
		infoPopup.value.close();
	}
	// 关闭评分弹框
	const clickScoreClose = () => {
		scorePopup.value.close();
		userScore.value = 0;
		isScore.value = false
	}

	// 确认评分
	const submitScore = async () => {
		uni.showLoading({
			title:"加载中..."
		})
		const {classid,_id: wallId} = currentInfo.value
		const res = await apisetupScore({
			classid,
			wallId,
			userScore: userScore.value
		})
		uni.hideLoading()
		if (res.data.errCode === 0) {
			classList.value[currentIndex.value].userScore = userScore.value;
			uni.setStorageSync("storgClassList", classList.value)
			clickScoreClose()
			
			uni.showToast({
				title: "评分成功",
				icon: "none"
			})
		}
		console.log(res);
	}



	// 定义 navaPrev 方法
	const navaPrev = (index) => {
		console.log(index);
		if (index === 0) {
			showPopup();
		} else if (index === 1) {
			currentInfo.score
			ShowScore()
		}
	};
console.log(classList.value);
	// 返回上一页
	const goBack = () => {
		if (classList.value) {
			uni.navigateBack({
				success:()=>{
					
				},
				fail:(err) =>{
					uni.reLaunch({
						url:'/pages/index/index'
					})
				}
			})
		} else {
			uni.switchTab({
			      url: '/pages/classify/classify'
			    })
		}
	}
	
	// 点击下载图片

	const clickDownload =async (id) => {
	  console.log(id); // 检查id是否为3
	 if (id === 3) {
		 // #ifdef H5
	   uni.showModal({
	     content: "请长按保存壁纸",
	     showCancel: false
	   })
	   // #endif
	   
	   // #ifndef H5
	   	
	   try{
	   		 uni.showLoading({
	   		  	title:'下载中',
	   		 	mask:true
	   		  })  
	   		 const {classid,_id:wallId} = currentInfo.value
	   		 const res = await apiWriteDownload({
	   		 	 classid,
	   		 	 wallId
	   		  })
	   		  console.log(res.data.errCode);
	   		  if(res.data.errCode != 0) {
	   			  uni.showToast({
	   			  	title:'请求过于频繁，请稍后重试！！！',
	   				icon:'none'
	   			  })
	   			  throw res;
	   		  };
	   		  
	   		  uni.getImageInfo({
	   		 	 src:currentInfo.value.picurl,
	   		 	 success:(res)=>{
	   		 		uni.saveImageToPhotosAlbum({
	   		 				 filePath:res.path,
	   		 				 success:(res)=>{
	   		 					 uni.showToast({
	   		 						title:'保持成功，请到香肠查看',
	   		 						icon:'none' 
	   		 					 })
	   		 				 },
	   		 				 fail:err=>{
	   		 					 if(err.errMsg == 'saveImageToPhotosAlbum:fail cancel'){
	   		 						 uni.showToast({
	   		 						 	title:'保持失败，请重新下载',
	   		 							icon:'none'
	   		 						 })
	   		 						 return
	   		 					 }
	   		 					 uni.showModal({
	   		 					 	title:"提示",
	   		 						content:'需要授权保存相册',
	   		 						success:res=>{
	   		 							if(res.conform){
	   		 								uni.openSetting({
	   		 									success:(setting)=>{
	   		 										console.log(setting)
	   		 										if(setting.authSetting['scope.writePhotosAlbum']){
	   		 											uni.showToast({
	   		 												title:'获取授权成功',
	   		 												icon:'none'
	   		 											})
	   		 										}else{
	   		 											uni.showToast({
	   		 												title:'获取授权失败',
	   		 												icon:'none'
	   		 											})
	   		 										}
	   		 									}
	   		 								})
	   		 							}
	   		 						}
	   		 					 })
	   		 				 },
	   		 				 complete:()=>{
	   		 					 uni.hideLoading()
	   		 				 }
	   		 		})
	   		 	 }
	   		  })
	   		  // uni.hideLoading()
	   }catch(err){
	   		 console.log(err);
	   		 uni.hideLoading()
	   }
	   	
	   	
	   // #endif
	   
	 }
	 

	}


	// 分享给好友
		onShareAppMessage((e)=>{
			console.log(e);
			return{
				title:'壁纸大全-' ,
				path:'/pages/preview/preview?id=' + currentId.value + "&type=share"
			}
		})
	
	// 分享朋友圈
	onShareTimeline(()=>{
		return{
			title:'壁纸大全-' ,
			query:"id=" + currentId.value + "&type=share",
			imageUrl:'/static/logo.jpg'
		}
	})
	
	onMounted(() => submitScore())
</script>




<style lang="scss" scoped>
	.preview {
		width: 100%;
		height: 100vh;
		position: relative;

		swiper {
			width: 100%;
			height: 100%;

			image {
				width: 100%;
				height: 100%;
			}
		}

		.mask {
			&>view {
				width: fit-content;
				color: #fff;
				position: absolute;
				left: 0;
				right: 0;
				margin: auto;
			}

			.goBack {
				width: 38px;
				height: 38px;
				background: rgba(0, 0, 0, 0.5);
				left: 30rpx;
				top: 0;
				margin-left: 0;
				border-radius: 100px;
				backdrop-filter: blur(10rpx);
				border: 1rpx solid rgba(255, 255, 255, 0.3);
				display: flex;
				align-items: center;
				justify-content: center;
			}

			.count {
				top: 10vh;
				background: rgba(0, 0, 0, 0.3);
				font-size: 28rpx;
				border-radius: 40rpx;
				padding: 8rpx 28rpx;
				backdrop-filter: blur(10rpx);
			}

			.time {
				font-size: 140rpx;
				top: calc(10vh + 80rpx);
				font-weight: 100;
				line-height: 1em;
				text-shadow: 0 4rpx rgba(0, 0, 0, 0.3);
			}

			.date {
				font-size: 34rpx;
				top: calc(10vh + 230rpx);
				text-shadow: 0 2rpx rgba(0, 0, 0, 0.3);
			}

			.footer {
				background: rgba(255, 255, 255, 0.8);
				bottom: 10vh;
				width: 65vw;
				height: 120rpx;
				border-radius: 120rpx;
				color: #000;
				display: flex;
				justify-content: space-around;
				align-items: center;
				box-shadow: 0 2rpx 0 rgba(0, 0, 0, 0.1);
				backdrop-filter: blur(20rpx);

				.box {
					display: flex;
					flex-direction: column;
					align-items: center;
					justify-content: center;
					padding: 2rpx 12rpx;

					.text {
						font-size: 26rpx;
						color: $border-font-color-2;
					}
				}
			}
		}

		.popHeader {
			display: flex;
			justify-content: space-between;
			align-items: center;

			.title {
				color: $border-font-color-2;
				font-size: 26rpx;
			}

			.close {
				padding: 6rpx;
			}
		}

		.infoPopup {
			background: #fff;
			padding: 30rpx;
			border-radius: 30rpx 30rpx 0 0;
			overflow: hidden;



			scroll-view {
				max-height: 60vh;

				.content {
					.row {
						display: flex;
						padding: 15rpx 0;
						font-size: 32rpx;
						line-height: 1.7em;

						.label {
							color: $border-font-color-3;
							width: 140rpx;
							text-align: right;
							font-size: 30rpx;
						}

						.value {
							flex: 1;
							width: 0;
							padding-left: 10rpx;
							display: flex;
						}

						.roteBox {
							display: flex;
							align-items: center;

							text {
								padding-left: 20rpx;
							}
						}

						.tabs {
							display: flex;
							flex-wrap: wrap;

							.tab {
								border: 1px solid $uni-color-color ;
								color: $uni-color-color;
								font-size: 22rpx;
								padding: 10rpx 30rpx;
								border-radius: 40rpx;
								line-height: 1em;
								margin: 0 10rpx 10rpx 0;
							}
						}

						.green-text {
							color: $uni-color-color;
						}

					}

					.copyright {
						font-size: 28rpx;
						padding: 20rpx;
						background: #f6f6f6;
						color: #666;
						border-radius: 10rpx;
						margin: 20rpx 0;
						line-height: 1.6em;

					}
				}
			}
		}

		.scorePopup {
			background: #fff;
			padding: 30rpx;
			width: 70vw;
			border-radius: 30rpx;

			.content {
				padding: 30rpx 0;
				display: flex;
				justify-content: center;
				align-items: center;

				.text {
					color: #ffca3a;
					padding-left: 10rpx;
					width: 80rpx;
					line-height: 1em;
					text-align: right;
				}
			}

			.footer {
				padding: 10rpx 0;
				display: flex;
				align-items: center;
				justify-content: center;
			}
		}
	}
</style>